Run the script:
frame1 = frame2 sleep(CHECK_INTERVAL)
# Motion detection logic diff = cv2.absdiff(frame1, frame2) gray = cv2.cvtColor(diff, cv2.COLOR_BGR2GRAY) blur = cv2.GaussianBlur(gray, (5,5), 0) _, thresh = cv2.threshold(blur, 20, 255, cv2.THRESH_BINARY) motion_score = cv2.countNonZero(thresh) ipcam telegram
Install "IP Webcam" from the Play Store, point it at your front door, and use the same script. No new hardware needed.
python3 security_cam.py Want to check your home manually? Add this command handler to the same script so you can text your bot /snap and get an instant photo. Run the script: frame1 = frame2 sleep(CHECK_INTERVAL) #
if motion_score > MOTION_THRESHOLD: print(f"[!] Motion detected! Score: {motion_score}") cv2.imwrite("alert.jpg", frame2) send_photo("alert.jpg") sleep(10) # Cooldown to avoid spam
pip install python-telegram-bot requests opencv-python Save this as security_cam.py . Replace the variables (URL, TOKEN, CHAT_ID). Add this command handler to the same script
We all have an old smartphone or a dusty IP camera sitting in a drawer. Instead of buying a expensive cloud subscription (like Ring or Nest), you can turn that camera into a real-time security alert system using a free bot on Telegram .